EP4136330A4 - A noise processing unit for a motor vehicle - Google Patents

A noise processing unit for a motor vehicle Download PDF

Info

Publication number
EP4136330A4
EP4136330A4 EP21788413.9A EP21788413A EP4136330A4 EP 4136330 A4 EP4136330 A4 EP 4136330A4 EP 21788413 A EP21788413 A EP 21788413A EP 4136330 A4 EP4136330 A4 EP 4136330A4
Authority
EP
European Patent Office
Prior art keywords
processing unit
motor vehicle
noise processing
noise
vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21788413.9A
Other languages
German (de)
French (fr)
Other versions
EP4136330A1 (en
Inventor
Bharaniram Senthilkumar
Mani Boobalan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TVS Motor Co Ltd
Original Assignee
TVS Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TVS Motor Co Ltd filed Critical TVS Motor Co Ltd
Publication of EP4136330A1 publication Critical patent/EP4136330A1/en
Publication of EP4136330A4 publication Critical patent/EP4136330A4/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/084—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases flowing through the silencer two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/08—Gas passages being formed between the walls of an outer shell and an inner chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/02—Two or more expansion chambers in series connected by means of tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/15—Plurality of resonance or dead chambers
    • F01N2490/155—Plurality of resonance or dead chambers being disposed one after the other in flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/18—Dimensional characteristics of gas chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/04—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for motorcycles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Air-Conditioning For Vehicles (AREA)
EP21788413.9A 2020-04-15 2021-04-15 A noise processing unit for a motor vehicle Pending EP4136330A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN202041016201 2020-04-15
PCT/IN2021/050376 WO2021210020A1 (en) 2020-04-15 2021-04-15 A noise processing unit for a motor vehicle

Publications (2)

Publication Number Publication Date
EP4136330A1 EP4136330A1 (en) 2023-02-22
EP4136330A4 true EP4136330A4 (en) 2024-04-17

Family

ID=78083633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21788413.9A Pending EP4136330A4 (en) 2020-04-15 2021-04-15 A noise processing unit for a motor vehicle

Country Status (3)

Country Link
EP (1) EP4136330A4 (en)
CN (1) CN115461530A (en)
WO (1) WO2021210020A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042138A (en) * 1961-02-07 1962-07-03 Reinert Richard Exhaust muffler
US5376341A (en) * 1992-07-24 1994-12-27 Corning Incorporated Catalytic converter for motorcycles
JP2002235522A (en) * 2001-02-09 2002-08-23 Komatsu Ltd Muffler

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5173577A (en) * 1990-09-04 1992-12-22 Ap Parts Manufacturing Co. Stamp formed muffler with low back pressure
CN2264251Y (en) * 1996-09-17 1997-10-08 三阳工业股份有限公司 Silencer
US5783782A (en) * 1996-10-29 1998-07-21 Tenneco Automotive Inc. Multi-chamber muffler with selective sound absorbent material placement
US6935461B2 (en) * 1998-08-18 2005-08-30 Gregory M. Marocco Exhaust sound and emission control systems
DE10316799A1 (en) * 2003-04-11 2004-10-28 Man Nutzfahrzeuge Ag Combined exhaust gas aftertreatment / noise reduction device in the exhaust line of an internal combustion engine
US7287622B2 (en) * 2004-12-20 2007-10-30 Arctic Cat Inc. Exhaust muffler
CN2816367Y (en) * 2005-08-09 2006-09-13 林辉江 IC engine exhausting silencer for automobile
CN201474756U (en) * 2009-09-08 2010-05-19 博浪柯(浙江)机电制造有限公司 Single-row gas pipe muffler for diesel generator
CN101737122A (en) * 2010-01-28 2010-06-16 任小平 Exhaust muffler of high-power diesel engine
CN206530382U (en) * 2016-12-23 2017-09-29 重庆神风长劲车架有限公司 A kind of muffler used for motorcycle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042138A (en) * 1961-02-07 1962-07-03 Reinert Richard Exhaust muffler
US5376341A (en) * 1992-07-24 1994-12-27 Corning Incorporated Catalytic converter for motorcycles
JP2002235522A (en) * 2001-02-09 2002-08-23 Komatsu Ltd Muffler

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021210020A1 *

Also Published As

Publication number Publication date
EP4136330A1 (en) 2023-02-22
WO2021210020A1 (en) 2021-10-21
CN115461530A (en) 2022-12-09
WO2021210020A4 (en) 2021-12-16

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Ipc: F01N 1/12 20060101AFI20240312BHEP